Home / 1,355,042.55-1,865,264.31-1,171,196.85

Finding the Fourth Proportional to 1,355,042.55, 1,865,264.31 and 1,171,196.85

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Solution

The fourth proportional to 1,355,042.55, 1,865,264.31 and 1,171,196.85 is: 1,612,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,042.55 : 1,865,264.31 = 1,171,196.85 : x
  2. Step 2: Convert to fraction form
    1,355,042.55/1,865,264.31 = 1,171,196.85/x
  3. Step 3: Cross multiply
    1,355,042.55x = 1,865,264.31 × 1,171,196.85
  4. Step 4: Simplify right side
    1,355,042.55x = 2,184,591,684,289.42
  5. Step 5: Solve for x
    x = 2,184,591,684,289.42/1,355,042.55
  6. Step 6: Final answer
    x = 1,612,194.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.